28755216

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 160

約数和(自身を含む): 97255680

約数和(自身を除く): 68500464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 54, 56, 63, 72, 74, 84, 108, 111, 112, 126, 144, 148, 168, 189, 216, 222, 252, 257, 259, 296, 333, 336, 378, 432, 444, 504, 514, 518, 592, 666, 756, 771, 777, 888, 999, 1008, 1028, 1036, 1332, 1512, 1542, 1554, 1776, 1799, 1998, 2056, 2072, 2313, 2331, 2664, 3024, 3084, 3108, 3598, 3996, 4112, 4144, 4626, 4662, 5328, 5397, 6168, 6216, 6939, 6993, 7196, 7992, 9252, 9324, 9509, 10794, 12336, 12432, 13878, 13986, 14392, 15984, 16191, 18504, 18648, 19018, 21588, 27756, 27972, 28527, 28784, 32382, 37008, 37296, 38036, 43176, 48573, 55512, 55944, 57054, 64764, 66563, 76072, 85581, 86352, 97146, 111024, 111888, 114108, 129528, 133126, 152144, 171162, 194292, 199689, 228216, 256743, 259056, 266252, 342324, 388584, 399378, 456432, 513486, 532504, 599067, 684648, 777168, 798756, 1026972, 1065008, 1198134, 1369296, 1597512, 1797201, 2053944, 2396268, 3195024, 3594402, 4107888, 4792536, 7188804, 9585072, 14377608, 28755216]

約数ペア:

[(1, 28755216), (2, 14377608), (3, 9585072), (4, 7188804), (6, 4792536), (7, 4107888), (8, 3594402), (9, 3195024), (12, 2396268), (14, 2053944), (16, 1797201), (18, 1597512), (21, 1369296), (24, 1198134), (27, 1065008), (28, 1026972), (36, 798756), (37, 777168), (42, 684648), (48, 599067), (54, 532504), (56, 513486), (63, 456432), (72, 399378), (74, 388584), (84, 342324), (108, 266252), (111, 259056), (112, 256743), (126, 228216), (144, 199689), (148, 194292), (168, 171162), (189, 152144), (216, 133126), (222, 129528), (252, 114108), (257, 111888), (259, 111024), (296, 97146), (333, 86352), (336, 85581), (378, 76072), (432, 66563), (444, 64764), (504, 57054), (514, 55944), (518, 55512), (592, 48573), (666, 43176), (756, 38036), (771, 37296), (777, 37008), (888, 32382), (999, 28784), (1008, 28527), (1028, 27972), (1036, 27756), (1332, 21588), (1512, 19018), (1542, 18648), (1554, 18504), (1776, 16191), (1799, 15984), (1998, 14392), (2056, 13986), (2072, 13878), (2313, 12432), (2331, 12336), (2664, 10794), (3024, 9509), (3084, 9324), (3108, 9252), (3598, 7992), (3996, 7196), (4112, 6993), (4144, 6939), (4626, 6216), (4662, 6168), (5328, 5397)]